<template>
  <view>
    <!--  轮播图区域 -->
    <swiper indicator-dots autoplay :interval="3000" :duration="1000" circular>
      <swiper-item v-for="(item,index) in swiperList" :key="index">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, index) in floorList" :key="index">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}"
              mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0"
              :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>

  </view>
</template>

<script>
import badgeMix from '../../mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        swiperList: [],
        // 分类导航的数据列表
        navList: [],
        // 楼层的数据列表
        floorList: [],
      };
    },
    onLoad() {
      //调用获取轮播图数据的方法
      this.getSwiperList()
      //调用获取分类导航的数据列表数据的方法
      this.getNavList()
      //调用获取楼层数据的方法
      this.getFloorList()
    },
    methods: {
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.swiperList = res.message
        // console.log(this.swiperList);
      },
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.navList = res.message
        // console.log(this.navList);
      },
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        // 通过双层 forEach 循环，处理 URL 地址
        res.message.forEach(floor => {
          // 设置floor.product_list每个prod的url
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' +
              prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
        // console.log(this.floorList);
      },
      navClickHandler(item) {
        if (item.name == '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      }
    }
  }
</script>

<style lang="scss">
  // 轮播图样式
  swiper {
    height: 330rpx;

    .swiper-item {
      image {
        width: 100%;
      }
    }
  }

  // 分类样式
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-item {
      .nav-img {
        width: 128rpx;
        height: 140rpx;
      }
    }
  }

  // 楼层样式
  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }

  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }

  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
</style>